807086534921 has 8 divisors (see below), whose sum is σ = 810640574280. Its totient is φ = 803532753792.

The previous prime is 807086534899. The next prime is 807086534927. The reversal of 807086534921 is 129435680708.

807086534921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 504652531321 + 302434003600 = 710389^2 + 549940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-807086534921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807086534927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8971661 + ... + 9061173.

It is an arithmetic number, because the mean of its divisors is an integer number (101330071785).

It is a 1-persistent number, because it is pandigital, but 2⋅807086534921 = 1614173069842 is not.

Almost surely, 2^807086534921 is an apocalyptic number.

It is an amenable number.

807086534921 is a deficient number, since it is larger than the sum of its proper divisors (3554039359).

807086534921 is a wasteful number, since it uses less digits than its factorization.

807086534921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129115.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 807086534921 in words is "eight hundred seven billion, eighty-six million, five hundred thirty-four thousand, nine hundred twenty-one".